Home / 28,640.74-42,973.35-15,502.42

Finding the Fourth Proportional to 28,640.74, 42,973.35 and 15,502.42

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Solution

The fourth proportional to 28,640.74, 42,973.35 and 15,502.42 is: 23,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,640.74 : 42,973.35 = 15,502.42 : x
  2. Step 2: Convert to fraction form
    28,640.74/42,973.35 = 15,502.42/x
  3. Step 3: Cross multiply
    28,640.74x = 42,973.35 × 15,502.42
  4. Step 4: Simplify right side
    28,640.74x = 666,190,920.51
  5. Step 5: Solve for x
    x = 666,190,920.51/28,640.74
  6. Step 6: Final answer
    x = 23,260.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.